Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV

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doi:10.1103/physrevlett.88.161802

Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV

Acosta D., Affolder T., Akimoto H., Albrow M., Amaral P., Ambrose D., ...Daha Fazla

PHYSICAL REVIEW LETTERS, cilt.88, sa.16, 2002 (SCI-Expanded, Scopus)

Yayın Türü: Makale / Tam Makale
Cilt numarası: 88 Sayı: 16
Basım Tarihi: 2002
Doi Numarası: 10.1103/physrevlett.88.161802
Dergi Adı: PHYSICAL REVIEW LETTERS
Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
İstanbul Üniversitesi Adresli: Evet

Özet

We report on measurements of the Y(1S), Y(2S), and Y(3S) differential cross sections (d(2)sigma/dp(T)dy)(\y\<0.4) , as well as on the &UUpsilon;(1S) polarization in p<(p)over bar> collisions at roots = 1.8 TeV using a sample of 77+/-3 pb(-1) collected by the collider detector at Fermilab. The three resonances were reconstructed through the decay Y-->mu(+)mu(-) . The measured angular distribution of the muons in the Y(1S) rest frame is consistent with unpolarized meson production.